0807 閃三下 beep 三下

 int seg7_pin[]={2,3,4,5,6,7,8};

char seg7_table[]={~0xc0,~0xf9,~0xa4,~0xb0,~0x99,~0x92,~0x82,~0xf8,~0x80,~0x90};

int scan_line[]={9,10,11,12};

int i,j,k;

int times=0;

int buzzer=13;

//----------------------------

void setup() 

{

  pinMode(buzzer,OUTPUT);

  for(i=0;i<7;i++)

  {

    pinMode(seg7_pin[i],OUTPUT);

  }

  for(j=0;j<3;j++)

  {

    pinMode(scan_line[j],OUTPUT);

  }

}

//-----------------------------

void outport(char data)

{

  for(k=0;k<7;k++)

  {

    if(data % 2==1)

      digitalWrite(seg7_pin[k],HIGH);

    else

       digitalWrite(seg7_pin[k],LOW);

    data =data /2;

  }

}

//-----------------------------

void initial()

{

  for(i=0;i<3;i++)

  {

    for(j=0;j<50;j++)

    {

      outport(seg7_table[0]);//0

      digitalWrite(scan_line[0],HIGH),delay(5);digitalWrite(scan_line[0],LOW);

      outport(seg7_table[8]);//8

      digitalWrite(scan_line[1],HIGH),delay(5);digitalWrite(scan_line[1],LOW);

      outport(seg7_table[0]);//0

      digitalWrite(scan_line[2],HIGH),delay(5);digitalWrite(scan_line[2],LOW);

      outport(seg7_table[7]);//7

      digitalWrite(scan_line[3],HIGH),delay(5);digitalWrite(scan_line[3],LOW);

    }

    delay(2000);

  }

}

//-----------------------------

void loop() 

{

  if(times==0)

  {

    times=1;

    initial();

    tone(buzzer,500,500);delay(1000);

    tone(buzzer,500,500);delay(1000);

    tone(buzzer,500,500);delay(1000);

  }

}